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== PRELIMINARY EARTHQUAKE REPORT ==

U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California



Version #3: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 12:40:58 PM (PDT) on Saturday, May 4, 2013.
The magnitude 1.5 event occurred 16 km (10 miles) SSW of Bootjack, CA.
The hypocentral depth is 22 km (14 miles).



Magnitude 1.5 - duration magnitude (Md)
Time Saturday, May 4, 2013 at 12:40:58 PM (PDT)
Saturday, May 4, 2013 at 19:40:58 (UTC)
Distance from Bootjack, CA - 16 km (10 miles) SSW (207 degrees)
Mariposa, CA - 17 km (10 miles) S (180 degrees)
Coarsegold, CA - 25 km (16 miles) WNW (289 degrees)
Merced, CA - 46 km (28 miles) E (85 degrees)
Coordinates 37 deg. 20.2 min. N (37.336N), 119 deg. 58.0 min. W (119.966W)
Depth 22.4 km (13.9 miles)
Quality Good
Location Quality Parameters Nst= 8, Nph= 8, Dmin=22 km, Rmss=0.02 sec, Erho=0.8 km, Erzz=1 km, Gp=111.6 degrees
Event ID# nc71985376
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